Fischer's gambit at move 20, almost exactly halfway in the game, is considered the most brilliant, decisive move of the match: 20.e4! It enabled Fischer to solidify his control of the middle of the board and from there threaten Spassky's underprotected King for the rest of the contest. | Fischer's gambit at move 20, almost exactly halfway in the game, is considered the most brilliant, decisive move of the match: 20.e4! It enabled Fischer to solidify his control of the middle of the board and from there threaten Spassky's underprotected King for the rest of the contest. |